// function objGroup (obj1, obj2) {
//   obj1.next = obj2
//   obj2.prev = obj1
//   return {
//     o1:obj1,
//     o2:obj2
//   }
// }

// let obj = objGroup({ name: "obj1" }, { name: "obj2" })
// console.log(obj)

// delete obj.o1
// delete obj.o2.prev
// console.log(obj)



function objGroup () {
  const obj1 = {}
  const obj2 = {}
  obj1.next = obj2
  obj2.prev = obj1
}
objGroup()